You are really good!!! What is your major? something related music? As not every body has this talented ears.... Yourself is qualified for playing any kind string music instrument.
现在俺孩子的这把琴，在和乐队一起演奏时，我在大演奏厅的最后一排，还能清楚地听到，分辨出这把琴发出的声音。
Compare to buy a volin here, you got a 价廉物美 violin.
